2102130135 has 36 divisors (see below), whose sum is σ = 4238585208. Its totient is φ = 960972768.

The previous prime is 2102130133. The next prime is 2102130139. The reversal of 2102130135 is 5310312012.

It is not a de Polignac number, because 2102130135 - 2¹ = 2102130133 is a prime.

It is a super-2 number, since 2×2102130135² = 8837902208950236450, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2102130133) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 474469 + ... + 478878.

It is an arithmetic number, because the mean of its divisors is an integer number (117738478).

Almost surely, 2^2102130135 is an apocalyptic number.

2102130135 is an abundant number, since it is smaller than the sum of its proper divisors (2136455073).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2102130135 is a wasteful number, since it uses less digits than its factorization.

2102130135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 953372 (or 953362 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 18.

The square root of 2102130135 is about 45848.9927370275. The cubic root of 2102130135 is about 1281.0120038291.

Adding to 2102130135 its reverse (5310312012), we get a palindrome (7412442147).

The spelling of 2102130135 in words is "two billion, one hundred two million, one hundred thirty thousand, one hundred thirty-five".